/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 86183
 * Date: 2024-03-27
 * Time: 14:38
 */
public class Demo9 {
    public static void main(String[] args) throws InterruptedException {
        System.out.println("begin :"+System.currentTimeMillis());
        Thread.sleep(1000);
        System.out.println("end   :"+System.currentTimeMillis());
    }
}
